Pipette controller



FIG. 1 is a rear perspective view of a pipette controller;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right-side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines in the drawings depict portions of the pipette controller that form no part of the claimed design. 

CLAIM The ornamental design for a pipette controller, as shown and described. 